The came from Azatlan which is the mythical place of origin( of Lost Civilization). Huizilopochtli, the god of war, told the to leave Azatlan and wander until they saw an eagle perched on a cactus growing out of a rock and eating a snake(Los Aztecas). The traveled many years to find the legend and finally found it while at Lake Texcoco. Lake Texcoco was ruled by the Toltecs between the 10th and 11th centuries(Microsoft Encarta Encyclopedia). Since many other tribes also migrated to Lake Texcoco at the same time, the were pushed out to ....